Nah tiny ass countries like Denmark, Sweden, Norway et all have been working with stable non single party majorites for decades.maybe in big European countries with big parliaments they may work
but Canada's parliament is too small for it too work.
the only time it ever worked was wth Liberal-NDP coalitions from the 60s
New Freaking Zealand is doing just fine after it moved from our kind of system to PR in the last twenty years. New Zealand for pete's sake!
And Bill Davis PCs in Ontario had a long running stable agreement with the NDP.